--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/native/sun/font/layout/IndicLayoutEngine.cpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,139 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+
+/*
+ *
+ * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved
+ *
+ */
+
+#include "LETypes.h"
+#include "LayoutEngine.h"
+#include "OpenTypeLayoutEngine.h"
+#include "IndicLayoutEngine.h"
+#include "ScriptAndLanguageTags.h"
+
+#include "GlyphSubstitutionTables.h"
+#include "GlyphDefinitionTables.h"
+#include "GlyphPositioningTables.h"
+
+#include "GDEFMarkFilter.h"
+#include "LEGlyphStorage.h"
+
+#include "IndicReordering.h"
+
+IndicOpenTypeLayoutEngine::IndicOpenTypeLayoutEngine(const LEFontInstance *fontInstance,
+    le_int32 scriptCode, le_int32 languageCode, le_int32 typoFlags,
+    const GlyphSubstitutionTableHeader *gsubTable)
+    : OpenTypeLayoutEngine(fontInstance, scriptCode, languageCode, typoFlags, gsubTable),
+    fMPreFixups(NULL)
+{
+    fFeatureMap = IndicReordering::getFeatureMap(fFeatureMapCount);
+    fFeatureOrder = TRUE;
+}
+
+IndicOpenTypeLayoutEngine::IndicOpenTypeLayoutEngine(const LEFontInstance *fontInstance,
+    le_int32 scriptCode, le_int32 languageCode, le_int32 typoFlags)
+    : OpenTypeLayoutEngine(fontInstance, scriptCode, languageCode, typoFlags),
+    fMPreFixups(NULL)
+{
+    fFeatureMap = IndicReordering::getFeatureMap(fFeatureMapCount);
+    fFeatureOrder = TRUE;
+}
+
+IndicOpenTypeLayoutEngine::~IndicOpenTypeLayoutEngine()
+{
+    // nothing to do
+}
+
+// Input: characters, tags
+// Output: glyphs, char indices
+le_int32 IndicOpenTypeLayoutEngine::glyphProcessing(const LEUnicode chars[],
+    le_int32 offset, le_int32 count, le_int32 max, le_bool rightToLeft,
+    LEGlyphStorage &glyphStorage, LEErrorCode &success)
+{
+    if (LE_FAILURE(success)) {
+        return 0;
+    }
+
+    if (chars == NULL || offset < 0 || count < 0 || max < 0 || offset >= max || offset + count > max) {
+        success = LE_ILLEGAL_ARGUMENT_ERROR;
+        return 0;
+    }
+
+    le_int32 retCount = OpenTypeLayoutEngine::glyphProcessing(chars, offset, count, max,
+        rightToLeft, glyphStorage, success);
+
+    if (LE_FAILURE(success)) {
+        return 0;
+    }
+
+    IndicReordering::adjustMPres(fMPreFixups, glyphStorage);
+
+    return retCount;
+}
+
+// Input: characters
+// Output: characters, char indices, tags
+// Returns: output character count
+le_int32 IndicOpenTypeLayoutEngine::characterProcessing(const LEUnicode chars[],
+    le_int32 offset, le_int32 count, le_int32 max, le_bool rightToLeft,
+    LEUnicode *&outChars, LEGlyphStorage &glyphStorage, LEErrorCode &success)
+{
+    if (LE_FAILURE(success)) {
+        return 0;
+    }
+
+    if (chars == NULL || offset < 0 || count < 0 || max < 0 || offset >= max || offset + count > max) {
+        success = LE_ILLEGAL_ARGUMENT_ERROR;
+        return 0;
+    }
+
+    le_int32 worstCase = count * IndicReordering::getWorstCaseExpansion(fScriptCode);
+
+    outChars = LE_NEW_ARRAY(LEUnicode, worstCase);
+
+    if (outChars == NULL) {
+        success = LE_MEMORY_ALLOCATION_ERROR;
+        return 0;
+    }
+
+    glyphStorage.allocateGlyphArray(worstCase, rightToLeft, success);
+    glyphStorage.allocateAuxData(success);
+
+    if (LE_FAILURE(success)) {
+        LE_DELETE_ARRAY(outChars);
+        return 0;
+    }
+
+    // NOTE: assumes this allocates featureTags...
+    // (probably better than doing the worst case stuff here...)
+    le_int32 outCharCount = IndicReordering::reorder(&chars[offset], count, fScriptCode,
+        outChars, glyphStorage, &fMPreFixups);
+    glyphStorage.adoptGlyphCount(outCharCount);
+
+    return outCharCount;
+}